Answer
The oral capsules contain lactose and wheat starch. Their gluten content is very low and considered unlikely to affect coeliac disease, but they must not be used in wheat allergy.
Sources for this answer
- Dantrium 100 mg Capsules — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.